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胡 怀祖 ( 研究与着作 )
专任,教授
姓名 胡 怀祖 ( 研究与着作 )
职称 教授
兼任职务 一年级甲班导师
电子邮件 hthu@niu.edu.tw
联络电话 +886-3-9317343
办公室 E509 格致大楼5F
个人网址 http://120.101.8.4/hthu_201607_updated.pdf
研究专长 数码信号处理、积体电路设计、通讯技术
学历 美国佛罗里达大学电机工程研究所博士 (1993)
负责实验室 信号处理雏形芯片设计实验室
本年度再收研究生之意愿 有,欢迎洽谈
负责实验室 信号处理雏形芯片设计实验室
  1. Hwai-Tsu Hu, Jieh-Ren Chang and Shiow-Jyu Lin (2018.06), “Synchronous blind audio watermarking via shape configuration of sorted LWT coefficient magnitudes’, Signal Processing, vol. 147, pp. 190-202. [SCI: MOST 105-2221-E-197-019]
  2. Hwai-Tsu Hu, Shiow-Jyu Lin and Ling-Yuan Hsu (2017.05), “Effective Blind Speech Watermarking via Adaptive Mean Modulation and Package Synchronization in DWT domain”, EURASIP Journal on Audio, Speech, and Music Processing, 2017:10 DOI: 10.1186/s13636-017-0106-4. [SCI: MOST 105-2221-E-197-019]
  3. Hwai-Tsu Hu, Szu-Hong Chen and Ling-Yuan Hsu (2017.08), “Improving DWT-DCT-Based Blind Audio Watermarking Using Perceptually Energy-Compensated QIM,” Journal of Computers, Vol. 28, No. 4, pp. 63-73, 2017. [EI: MOST 103-2221-E-197 -020 and MOST 105-2221-E-197-019]
  4. Ling-Yuan Hsu and Hwai-Tsu Hu, (2017.07) “Robust blind image watermarking using crisscross inter-block prediction in the DCT domain”, Vol. 46, pp. 33-47, Journal of Visual Communication and Image Representation. [SCI: MOST 105-2221-E-562-003 and MOST 104-2221-E-197-023]
  5. Hwai-Tsu Hu and Jieh-Ren Chang (2017.03), “Efficient and robust frame-synchronized blind audio watermarking by featuring multilevel DWT and DCT,” Cluster Computing, Vol. 20, No. 1, pp 805–816. doi:10.1007/s10586-017 -0770-2. [SCI: MOST 104-2221-E-197-023]
  6. Jieh-Ren Chang, You-Shyang Chen, Hong-Wun Lin and Hwai-Tsu Hu (2017.02), “An advanced computing in fuzzy rule-based preprocessing design of image filters’ system for removing impulse noises,” The Journal of Supercomputing, doi:10.1007/s11227-017-1979-9.
  7. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Supplementary schemes to enhance the performance of DWT-RDM-based blind audio watermarking,” Circuits Syst. Signal Process, Vol. 36, No. 5, pp. 1890-1911. DOI 10.1007/s00034-016-0383-7, [SCI: MOST 104-2221-E-197- 023].
  8. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Incorporating Spectral Shaping Filtering into DWT-Based Vector Modulation to Improve Blind Audio Watermarking,” Wireless Personal Communication, Vol. 94, Issue 2, pp. 221-240. DOI 10.1007/s11277-016 -3178-z. [SCI: MOST 103-2221-E-197-020].
  9. Hwai-Tsu Hu and Ling-Yuan Hsu (2016/7), “Collective blind image watermarking in DWT-DCT domain with adaptive embedding strength governed by quality metrics,” Multimedia Tools Application, Vol. 76, Issue. 5, pp. 6575–6594. DOI 10.1007/s11042-016-3332-3. [SCI: MOST 103-2221-E-197-020].
  10. Hwai-Tsu Hu, Jieh-Ren Chang and Ling-Yuan Hsu (2016), “Windowed and distortion-compensated vector modulation for blind audio watermarking in DWT domain,” Multimedia Tools Application, doi:10.1007/s11042-016-4202-8. [SCI: MOST 104-2221-E-197-023].
  11. Hwai-Tsu Hu, Jieh-Ren Chang and Ling-Yuan Hsu (2016), “Robust blind image watermarking by modulating the mean of partly sign-altered DCT coefficients guided by human visual perception,” AEU - International Journal of Electronics and Communications, Vol. 70, No. 10, pp. 1374–1381. [SCI: MOST 104-2221-E-197-023].
  12. Hwai-Tsu Hu and Ling-Yuan Hsu (2016), “A mixed modulation scheme for blind image watermarking,” AEU - International Journal of Electronics and Communications, Vol. 70, No. 2, pp. 172–178. [SCI: MOST 103-2221-E-197- 020].
  13. Hwai-Tsu Hu and Ling-Yuan Hsu (2016), “A DWT-Based Rational Dither Modulation Scheme for Effective Blind Audio Watermarking,” Circuits Syst. Signal Process, Vol. 35, No. 2, pp. 553-572. [SCI: NSC 103-2221-E-197-020.]
  14. Hwai-Tsu Hu and Ling-Yuan Hsu (2015), “Robust glottal closure instant detection by jointly exploiting stationary wavelet transform and harmonic superposition,” International Journal of Speech Technology, Vol. 18, No. 4, pp 685-695. [EI: MOST 102-2221-E-197-020.]
  15. Ling-Yuan Hsu and Hwai-Tsu Hu* (2015), “Blind image watermarking via exploitation of inter-block prediction and visibility threshold in DCT domain,” J. Vis. Commun. Image R., Vol. 32, pp. 130–143. [SCI: MOST 103-2221-E-197-020.]
  16. Hsien-Hsin Chou, Ling-Yuan Hsu and Hwai-Tsu Hu (2015), “Multi-level adaptive switching filters for highly corrupted images,” Journal of Visual Communication and Image Representation, Vol. 30, pp. 363–375.
  17. Hwai-Tsu Hu and Ling-Yuan Hsu (2015), “Robust, transparent and high-capacity audio watermarking in DCT domain,” Signal Processing, Vol. 109, pp. 226–235. [SCI: NSC 103-2221-E-197-020.]
  18. Hwai-Tsu Hu and Ling-Yuan Hsu (2015) “Exploring DWT-SVD-DCT feature parameters for robust multiple watermarking against JPEG and JPEG2000 compression,” Computers & Electrical Engineering, Vol. 41, pp. 52-63. [SCI: NSC 103-2221-E-197-020.]
  19. Hwai-Tsu Hu, Hsien-Hsin Chou and Ling-Yuan Hsu (2014) “Perceptual-based DWPT-DCT framework for selective blind audio watermarking,” Signal Processing, Vol. 105, pp. 316327. [SCI: NSC 101-2221-E-197-033]
  20. Hwai-Tsu Hu, Hsien-Hsin Chou and Ling-Yuan Hsu (2014) “The Use of Highpass Filtered Time-Spread Echo for Pitch Scaling Detection,” IEICE Trans. Fundamentals, Vol. E97–A, No. 7, pp. 1623-1626. [SCI: NSC101-2221-E-197 -033 and NSC102-2221-E-197-020]
  21. Ching-Hsuan Ku, Hwai-Tsu Hu* and Ling-Yuan Hsu (2014) “An image watermarking technique developed on the DWT-SVD-DCT domain,” International Journal of Advanced Information Technology, Vol. 8, No. 1, pp. 86–91. [SCI: NSC 101-2221-E-197-033]
  22. Hwai-Tsu Hu, Ling-Yuan Hsu and Hsien-Hsin Chou (2014) “Variable-dimensional vector modulation for perceptual-based DWT blind audio watermarking with adjustable payload capacity,” Digital Signal Processing, Vol. 31, pp. 115–123. [SCI: NSC 101-2221-E-197-033]
  23. Hwai-Tsu Hu, Hsien-Hsin Chou, Chu Yu and Ling-Yuan Hsu (2014) “Incorporation of perceptually adaptive QIM with singular value decomposition for blind audio watermarking,” EURASIP Journal on Advances in Signal Processing, Vol. 2014, No. 12, pp. 1-12. (doi:10.1186/1687-6180-2014-12) [SCI: NSC 101-2221-E-197-033]
  24. Hsien-Hsin Chou, Ling-Yuan Hsu, and Hwai-Tsu Hu (2013) “Turbulent-PSO Based Fuzzy Image Filter With No-Reference Measures for High-Density Impulse Noise,” IEEE Trans. Systems, Man, and CyberneticsPart B: Cybernetics, Vol. 43, No. 1, pp. 296-307.
  25. Hwai-Tsu Hu and Chu Yu (2012) “A Perceptually Adaptive QIM Scheme for Efficient Watermark Synchronization,” IEICE Trans. Inf. and Syst., Vol. E95- D, No. 12, pp. 3097-3100. [SCI: NSC 101-2221-E-197-033]
  26. Hwai-Tsu Hu and Wei-Hsi Chen (2012) “A dual cepstrum-based watermarking scheme with self-synchronization”, Signal Processing, Vol. 92, pp. 1109-1116. [SCI: NSC 98–2221-E-197-019]
  27. Hwai-Tsu Hu and Chu Yu (2012) “A HMM-WDLT framework for HNM-based voice conversion with parametric adjustment in formant bandwidth, duration and excitation” International Journal of Speech Technology, Vol. 15, No. 2, pp. 215-225, pp. 31-44. [EI: NSC96-2221-E-197-020-MY2 & NSC98-2221-E-197 -019]
  28. Hu, H. T. and Yu, C. (2010) “Narrowband-to-wideband expansion of telephony speech using piecewise deviation linear transformation”, International Journal of Electrical Engineering, Vol. 17, No. 1, pp. 7-17. [EI: NSC96-2622-E-197- 005-CC3]
  29. Hu, H. T. and Chu, Yu (2009) “Combining HMM and Weighted Deviation Linear Transformation for Highband Speech Parameter Estimation”, IEICE Trans. Inf. & Syst., Vol. E92-D, No. 7, pp. 1488-1490. [SCI: NSC96-2221-E-197-020-MY2]
  30. Hu, H. T. and Wang, H. M. (2009) “Integrating coding techniques into LP-based Mandarin text-to-speech synthesis,” International Journal of Speech Technology, DOI: 10.1007/s10772-008-9015-3. pp. 31-44. [EI: NSC93-2213- E-197-002]
  31. Hu, H. T. (2007) “Robust pitch estimation based on a modified comb filtering approach,” Electron. Lett., 43(25), pp.1471-1472. [SCI: NSC94-2213-197-001]
  32. Hu, H. T. and Yu, C. (2007) “Adaptive noise spectral estimation for spectral subtraction speech enhancement,” IET Signal Processing, 1(3), pp. 156-163. [SCI: NSC93-2213-E-197-002]
  33. Hu, H. T. and Chen, Y. N. (2007) “Structural design for a 1.6 Kbps GELP speech coder,” Bulletin of the college of Engineer, National I-Lan University, Vol. 2, pp. 69-86.
  34. Hu, H. T. and Yu, C. (2006) “Combination of switched predictive network and multi-stage VQ to efficiently encode LSF parameters,” Bulletin of the college of Engineer, National I-Lan University, Vol. 2, pp. 37-48.
  35. Hu, H. T., Hsu, S. T., and Yu, C. (2003), “Determination of Glottal Closure Instants by Harmonic Superposition,” Signal Processing, 83(9), pp. 1985-1995.  [SCI: NSC89-2213-E-197-009]
  36. Yu, C. and Hu, H. T. (2003), “Design and Implementation of an ASIC Architecture for 1.6 kbps Speech Synthesis,” IEEE Trans. Consumer Electronics, 49(3), pp. 731-736.  [SCI: NSC91-2215-E-197-001]
  37. Hu, H. T. (2002), “An efficient algorithm for hardware Implementation of low-bit-rate speech coding,” Journal of I-Lan Institute of Technology, 9, Special issue for electrical engineering and computer science, pp. 39-49.  [NSC90- 2213-E-197-001]
  38. Hu, H. T. and Yu, C. (2002). “Design and implementation of a 1.4kbps glottal excitation linear prediction (GELP) vocoder”, Journal of I-Lan Institute of Technology, 8, pp. 85-92.  [NSC89-2213-E-197-002]
  39. Hu, H. T., Kuo, F. J., and Wang, H. J. (2002). “Supplementary schemes to spectral subtraction for speech enhancement,” Speech Commun., 36, pp. 205-218.  [SCI: NSC88-2213-E-197-002]
  40. Hu, H. T., Kuo, F. J., and Wang, H. J. (2000). “A pseudo glottal excitation model for the linear prediction vocoder with speech signals coded at 1.6 kbps,” IEICE Trans. Inf. & Syst., 83(8), pp. 1654-1661. [SCI: NSC89-2213-E-197-002 & -009]
  41. Hu, H. T. and Wu, H. T. (2000). “A glottal-excited linear prediction (GELP) Model for low-bit-rate speech coding,” 24(2), Proc. Natl. Sci. Counc. ROC(A)., pp. 134-142.  [EI: NSC87-2218-E-197-001]
  42. Hu, H. T. (1999). “A filtering method for extracting glottal closure instants from linear prediction residual of speech signal,” 3, Journal of I-Lan Institute of Technology. pp. 69-85.  [NSC87-2218-E-197-001]
  43. Hu, H. T. (1998). “Linear prediction analysis of speech signals in the presence of white Gaussian noise with unknown variance,” IEE Proc.-Vis. Image Signal Process., 145(4), pp. 304-308.  [NSC: NSC86-2213-E-197-003]
  44. Hu, H. T. (1998). “Robust linear prediction of speech signals based on orthogonal framework,” Electron. Lett., 34(14), pp. 1385-1386.  [SCI: NSC87-2218-E-197 -001]
  45. Hu, H. T. (1998). “Orthogonal framework for linear prediction analysis,” Journal of I-Lan Institute of Agriculture and Technology, 16, pp. 165-183.
  46. Hu, H. T. (1998). “A real-time implementation of constrained estimate-maximize algorithm for single-microphone speech enhancement,” IEEE Trans. Consumer Electronics, 44(2), pp. 370-375.  [SCI: NSC86-2213-E-197-003]
  47. Hu, H. T. (1998). “Spectral compensation for linear prediction of speech signals in coloured noise,” Electron. Lett., 34(11), pp. 1080-1081.  [SCI: NSC86-2213- E-197-003]
  48. 胡怀祖、周贤兴 (1998),将时间延迟类神经网络与动态规划结合以用于国语数字之辨认,技术学刊13(1)pp. 69-76 [NSC86-2213-E-197-003]
  49. Hu, H. T. (1998). “Comb filtering of noisy speech using overlap-and-add approach,” Electron. Lett., 34(1), pp. 16-18.  [SCI: NSC86-2213-E-197-003]
  50. Hu, H. T., and Chou, H. H. (1997). “Spectral compensation for AR process degraded by white noise with unknown variance,” Journal of I-Lan Institute of Agriculture and Technology, 15, pp. 119-133.
  51. Hu, H. T., and Chou, H. H. (1997). “Determining the retardation of glottal return phase using LP residue,” Journal of I-Lan Institute of Agriculture and Technology, 14, pp. 91-104.
  52. Chou, H. H., and Hu, H. T. (1996). “Feasible feedback control for dynamic systems with highly structured uncertainties,” Journal of I-Lan Institute of Agriculture and Technology, 13, pp. 107-123.
  53. Hu, H. T., and Chou, H. H. (1996). “A scaling approach to studying voice conversion between different genders,” Computer Processing of Oriental Language, 10(1), pp. 79-95.  [NSC83-0404-E-197-001]
  54. Hu, H. T. (1996). “Noise compensation for linear prediction via orthogonal transformation,” Electron. Lett., 32(16), pp. 1444-1445.  [SCI]
  55. Hu, H. T. (1995). “Method for extracting epochal information from noisy LP residual,” Electron. Lett., 31(25), pp. 2145-2147.  [SCI]
  56. Hu, H. T. (1995). “Linear prediction using  norm in orthogonal vector space,” Electron. Lett., 31(6), pp. 430-431.  [SCI]
  57. Childers, D. G., and Hu, H. T. (1994). “Speech synthesis by glottal excited linear prediction,” J. Acoust. Soc. Am. 96(4), pp. 2026-2036.  [SCI]
  58.  
  1. 陈俊锜、胡怀祖 基于DWTDCT转换结合自适性嵌入强度调整之QR code数码浮水印技术TANET2017–台湾网际网络研讨会,台中,October 25-27, 2017.
  2. Hwai-Tsu Hu and Yun-Hsiang Chang, “Blind Audio Watermarking by Configuring the Shape of Sorted LWT Coefficient Magnitudes in Synchronous Frames” in the 7th International Conference on Information Communication and Management (ICICM 2017), Moscow, Russia, August 28-30, 2017.
  3. 赖圣瑜、胡怀祖、陈俊锜 结合时间扩展回声与有理抖动调变以强化音讯盲浮水印技术WCE2016 民生电子研讨会,花莲,pp. 292-295, Nov. 19, 2016.
  4. Hwai-Tsu Hu, Jieh-Ren Chang, Chun-Chi Chen and Sheng-Yu Lai, “Synchronized blind audio watermarking via multilevel DWT and windowed vector modulation” in  International Conference on IT Convergence and Security, Prague, Czech Republic, September 26-29, 2016.
  5. Ling-Yuan Hsu, Hwai-Tsu Hu and Hsien-Hsin Chou, “An effective blind image watermarking based on inter-blocks estimation and quantization index modulation” in 12th International Conference on Natural Computation, Fuzzy Systems and Knowledge Discovery (ICNC-FSKD 2016), Changsha, China,  August 13-15, 2016.
  6. 张育荣、胡怀祖 结合類神经网路之跨区块预测能力以及人眼视觉特性改进影像盲浮水印效能”, WCE2015 民生电子研讨会,彰化, pp. CC-014, Nov. 28, 2015.
  7. Hwai-Tsu Hu,  Ling-Yuan Hsu, Sheng-Yu Lai and Yu-Jung Chang, “The use of spectral shaping to extend the capacity for DWT-based blind audio watermarking” in 5th Int. Conf. on IT Convergence and Security (ICITCS), Kuala Lumpur, Malaysia, August 24-27, 2015.
  8. 徐铃渊、胡怀祖、张育荣 利用类神经网络之跨区块预测能力改进影像盲浮水印效能”, WCE2014 民生电子研讨会,台中,Nov. 29, pp. 423-426, 2014.
  9. Hwai-Tsu Hu, Szu-Hong Chen and Ling-Yuan Hsu, “Incorporation of Perceptually Energy-Compensated QIM into DWT-DCT Based Blind Audio Watermarking”, in 10th Int. Conf. on Intelligent Information Hiding and Multimedia Signal Processing (IIH-MSP), August 27-29, Kitakyushu, Japan, 748-752, 2014.
  10. Hwai-Tsu Hu, Yu-Jung Chang, Szu-Hong Chen, “A Progressive QIM to Cope With SVD-based Blind Image Watermarking in DWT Domain,” in 2nd IEEE China Summit & International Conference on Signal and Information Processing (ChinaSIP), Xi’an, China, July 9-13, pp. 421-425, 2014.
  11. 陈思宏、胡怀祖 于低讯噪比环境下之双参数语音活动侦测及自适应式背景噪音消除”, ETS2014第七届电子工程技术研讨会,高雄,May 23, pp. 570-573, 2014.
  12. Hwai-Tsu Hu, Ching-Hsuan Ku, Szu-Hong Chen, “Exploiting Psychoacoustic Properties to Achieve Transparent and Robust Audio Watermarking”, in International Conference on Information Science and Applications (ICISA), Pattaya, Thailand, June 24-26, pp. 305-309, 2013.
  13. 胡怀祖、黎万群、陈思宏 结合自适应量化索引调变与支持向量机筛选功能之音讯浮水印”, WCE2013 民生电子研讨会,宜兰,Nov. 22-23, G_010_A, 2013.
  14. 辜庆轩、胡怀祖、张育荣 基于DWT-SVD-DCT转换的浮水印嵌入技术”, WCE2013 民生电子研讨会,宜兰,Nov. 22-23, B_181_A, 2013.
  15. 范景超、胡怀祖、陈思宏、辜庆轩 运用类神经网络分析眼睑上结膜图谱以预估贫血状况”, ITAMC2013资讯技术应用及管理研讨会,高雄,May 31, C3-3, 2013.
  16. Hwai-Tsu Hu and Wan-Cyun Li, “A Perceptually Adaptive and Retrievable QIM Scheme for Efficient Blind Audio Watermarking”, in International Conference on Information Science and Applications (ICISA), Suwon, Korea, May 23-25, pp. 51-55, 2012.
  17. 陈威锡、胡怀祖、辜庆轩, “结合SIFT与显着区域参数之影像浮水印嵌入法 WCE2011 民生电子研讨会,台中,November 11, pp. 196-201, 2011.
  18. 黎万群、张咏筌、胡怀祖, “依凭心理声响模型之小波包裹自调性数码浮水印技术 2010NST 全国电信研讨会, 3-4 December, No. 452, 2010.
  19. H. T. Hu, C. Yu, and C. H. Lin, “HNM Parameter Transform for Voice Conversion Using a HMM-WDLT Framework,” in 2nd International Conference on Industrial Mechatronics and Automation (ICIMA), 21-22 May, pp. 282-287, 2010.
  20. Hwai-Tsu Hu, Chu Yu, and Chih-Hang Lin, “Usefulness of the Comb Filtering Output for Voiced/Unvoiced Classification and Pitch Detection,” in International Conference on Signal Processing Systems, 15-17 May, pp. 135-139, 2009.
  21. 张维龄、胡怀祖、林至航以音框为考量之HNM分析合成技术及其于声音修改的应用”, 第八届离岛资讯技术与应用研讨会, 22-24 May, paper no. 39, 2009.
  22. 郭伟晟、胡怀祖、李昱廷, “强健性双域数码影像浮水印,第二届海峡两岸信息科学与信息技术学术交流会议, 16-18 October, pp. 73-82, 2008.
  23. Chu Yu and Hwai-Tsu Hu, “A Compact Pipelined Architecture with High-Throughput for Context-Based Binary Arithmetic Coding,” in Proc. The IEEE int’l SOC Conference, 26-29 September, pp. 33-36, 2007.
  24. 周信良、胡怀祖利用群聚分布特性改善FFT撷取指纹特征方式2007民生电子暨信号处理研讨会。15 June, pp. 474-477, 2007.
  25. Chu Yu and Hwai-Tsu Hu, “Design of an Area-Efficient ASIC Architecture for Context-Based Binary Arithmetic Coding,” in Proc. Int’l Computer Symposium on Computer Architecture, VLSI, and Embedded Systems, 4-6 December, pp.129-132, 2006.
  26. Chu Yu and Hwai-Tsu Hu, “Design and implementation of an ASIC architecture for the context-based binary arithmetic encoder,” in Proc. IEEE int’l Symposium on Consumer Electronics, 13-16 June, pp.83-86, 2005.
  1. 90年度, 低位元语音编解码技术之研发及其解码芯片之设计, 主持人
  2. 91年度, 提升产业技术及人才培育研究计画-「高话质低位元率语音编解码」芯片之设计, 主持人
  3. 91年度, 语音编码之错误遮隐技术—以低位元率GELP vocoder为探究对象, 主持人
  4. 92年度, 1.6kbps GELP语音编解码器之芯片设计与验证, 主持人
  5. 92年度, 极低位元率语音编解码之高效率算法则及其硬件实现, 主持人
  6. 93年度, 参数编码化之「文字转语音」合成 IC 设计, 主持人
  7. 94年度, 可变声字转音合成器之设计及其嵌入式系统实作, 主持人
  8. 94年度, 嵌入式中文字转语音合成系统, 主持人
  9. 96年度, 植基于HNM之变声技术及其于字转音之应用, 主持人
  10. 96年度, 提升产业技术及人才培育研究计画-窄频语音频宽扩展技术之研发及其芯片设计, 主持人
  11. 98年度, 一种兼具强韧及高容量数码音讯浮水印之多场域架构, 主持人, 行政院国家科学委员会
  1. Altera 2006 年 Nios 嵌入式处理器设计大赛, 中:盲人资讯导览语音系统 英: Blind Information Guiding System with Voice supported (BIGS), 通过初赛入围, 王慕群、林至航